166 BULLETIN OF THE MUSEUM OF COMPARATIVE ZOOLOGY. 



PLATE III. 



Fig. A. Animal of Vitrinozonites latissimus : drawn by Miss Emma Pringle. 



' B. Genitalia of same. 



" C. " Zonites capnodes. 



" D. " Rugeli. 



" E. Mesodon Andre wsi. 



" F. Dentition of " " 



" G. Genitalia of Mesodon dcntiferus. 



" U. Animal of Heuiphillia contracted in spirits. 



" I. Genitalia of Mesodon devius. 



" J. Dentition of Triodopsis vultnosa. 



" K. Bulimulus Schiedeanus. 



" L. " Zonites Wliitneyi. 



PLATE IV. 



Fig. A. Mesodon Andrewsi, var. 



" B, C. Aglaia infumata, denuded of hairs. 



" D. Glyptostoma Newberryanum. 



" E. Arionta Townsendiana, var. ptychopliora. 



" F. " " var. 



" G. Fac-simile of original figures of Hyalina subrupi<;ola. 



" H, I. Aglaia fidelis, var. 



All but B, C, and II, I, photographed from nature. 



